Finding the Third Proportional to 79,920.50 and 119,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,920.50 : 119,333.50 = 119,333.50 : x
2. Step 2: Convert to fraction form
   79,920.50/119,333.50 = 119,333.50/x
3. Step 3: Cross multiply
   79,920.50x = 119,333.50 × 119,333.50
4. Step 4: Simplify right side
   79,920.50x = 14,240,484,222.25
5. Step 5: Solve for x
   x = 14,240,484,222.25/79,920.50
6. Step 6: Final answer
   x = 178,183.12